1671115120 has 40 divisors (see below), whose sum is σ = 3909209616. Its totient is φ = 664339968.

The previous prime is 1671115093. The next prime is 1671115133. The reversal of 1671115120 is 215111761.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1671115120² = 5585251488585228800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51037 + ... + 77116.

Almost surely, 2^1671115120 is an apocalyptic number.

1671115120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1671115120 is an abundant number, since it is smaller than the sum of its proper divisors (2238094496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1671115120 is a wasteful number, since it uses less digits than its factorization.

1671115120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128329 (or 128323 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 25.

The square root of 1671115120 is about 40879.2749446465. The cubic root of 1671115120 is about 1186.6850093252.

Adding to 1671115120 its reverse (215111761), we get a palindrome (1886226881).

The spelling of 1671115120 in words is "one billion, six hundred seventy-one million, one hundred fifteen thousand, one hundred twenty".